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Finding the Fourth Proportional to 165,863.76, 228,883.72 and 94,234.32

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Solution

The fourth proportional to 165,863.76, 228,883.72 and 94,234.32 is: 130,038.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,863.76 : 228,883.72 = 94,234.32 : x
  2. Step 2: Convert to fraction form
    165,863.76/228,883.72 = 94,234.32/x
  3. Step 3: Cross multiply
    165,863.76x = 228,883.72 × 94,234.32
  4. Step 4: Simplify right side
    165,863.76x = 21,568,701,713.27
  5. Step 5: Solve for x
    x = 21,568,701,713.27/165,863.76
  6. Step 6: Final answer
    x = 130,038.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.